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frutty [35]
3 years ago
10

Any one know how to do this pls help

Mathematics
1 answer:
Fiesta28 [93]3 years ago
5 0

Answer:

f^-1(x) = [(x + 1)/2]^⅓

Step-by-step explanation:

y = 2x³ - 1

Make x the subject

2x³ = y + 1

x³ = (y + 1)/2

x = [(y + 1)/2]^⅓

Interswitch variables

f^-1(x) = [(x + 1)/2]^⅓

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Answer:

D. It shrinks the graph horizontally to 1/4 the original width.

Step-by-step explanation:

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3 years ago
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If m in circle A is 60°, what is mBDC?<br><br> A)60<br> B)45<br> C)30<br> D)25
mojhsa [17]
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7 0
3 years ago
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X + 15y = 40 / x + 10y = 30 solve for x and y
Elina [12.6K]
Use elimination to find both values.
Subtract the second equation from the first equation
x + 15y = 40
- x + 10y = 30
————————
5y = 10
y = 2

Plug in the value for y into one of the equations. I’m going to put it in the second equation.
x + 10(2) = 30
x + 20 = 30
x = 10

x = 10
y = 2
5 0
3 years ago
What Am I - using what you know
eduard
Hi there!

The missing angle is 23 degrees.

Remember every triangle has 180 degrees no matter what type. So you add 75 and 82 and subtract it from 180 giving you 23.

The first name is acute and the last name is scalene.

A acute triangle is when all angles are less than 90 and an obtuse triangle is when there is 1 obtuse angle and 2 acute angles.

Hope this helps !
6 0
3 years ago
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